Home / 12,318,575.30-16,999,743.96-6,812,320.76

Finding the Fourth Proportional to 12,318,575.30, 16,999,743.96 and 6,812,320.76

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Solution

The fourth proportional to 12,318,575.30, 16,999,743.96 and 6,812,320.76 is: 9,401,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,575.30 : 16,999,743.96 = 6,812,320.76 : x
  2. Step 2: Convert to fraction form
    12,318,575.30/16,999,743.96 = 6,812,320.76/x
  3. Step 3: Cross multiply
    12,318,575.30x = 16,999,743.96 × 6,812,320.76
  4. Step 4: Simplify right side
    12,318,575.30x = 115,807,708,735,891.98
  5. Step 5: Solve for x
    x = 115,807,708,735,891.98/12,318,575.30
  6. Step 6: Final answer
    x = 9,401,063.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.